Merge "Remove access_mode 'rw' setting in drivers"

diff --cc cinder/tests/unit/test_dellscapi.py
Simple merge

diff --cc cinder/tests/unit/test_pure.py
Simple merge

diff --cc cinder/tests/unit/test_tegile.py
Simple merge

diff --cc cinder/volume/driver.py
Simple merge

diff --cc cinder/volume/drivers/dell/dell_storagecenter_api.py
Simple merge

diff --cc cinder/volume/drivers/dell/dell_storagecenter_iscsi.py
Simple merge

diff --cc cinder/volume/drivers/emc/emc_cli_fc.py
Simple merge

diff --cc cinder/volume/drivers/emc/emc_cli_iscsi.py
Simple merge

diff --cc cinder/volume/drivers/emc/xtremio.py
Simple merge

diff --cc cinder/volume/drivers/pure.py
Simple merge

diff --cc cinder/volume/manager.py
Simple merge